DMS 230 FINAL

Hemodynamics & Doppler

100

This type of blood flow is found in normal physiologic states and has a parabolic shape

Laminar Flow

200

The sound heard with a stethoscope over a stenotic region

Bruit

300

An increase in the number of frequencies present in the waveform, seen with turbulent flow

Spectral Broadening

400

The frequency at which Aliasing occurs

Nyquist Limit

500

What law determines the relationship between flow, resistance and pressure

Poiseuille's Law

Anatomy

100

These vessels branch off of the proximal subclavian arteries

Vertebral arteries

200

The anterior circulatory system is made up of .....

The carotid arteries and their branches

300

Smallest vessels in the body

Capillaries

400

Normal Portal vein flow

Hepatopedal

500

The trifurcation in the lower extremity arterial system consists of what 3 vessels?

ATA, PTA, Peroneal

Risk Factors/Disease

100

Atherosclerosis initially affects what part of the vessel wall?

Intima

200

What percentage of lower extremity ulcers are caused by venous disease?

75%

300

True or False?

Diabetes is a major cause of developing a DVT

False

400

The risk of developing venous disease and claudication is how many times greater in diabetic patients?

4x greater risk

500

List 3 risk factors for developing atherosclerosis

Familial generic component

Aging

Cholesterol >240 mg/dl - Hypercholesterolemia

Hypertension

Diabetes Mellitus

Severe obesity

Tobacco Use

Symptoms and Disease

100

Most common symptom of peripheral arterial disease

claudication

200

Blue toe syndrome is caused by

Thromboemboli

300

An ischemic stroke that occurs when blood flow is restricted from the brain that lasts longer than 24 hours but less than a week is called

Reversible Ischemic Neurologic Deficit (RIND)

400

This condition is caused by non-atherosclerotic narrowing of the brachiocephalic arteries

Takayasu's Arteritis

500

List the 5 P's for acute arterial disease/occlusion

Pain

Pallor

Pulselessness

Paralysis

Paresthesia

Ultrasound Apperance

100

What is the ultrasound sign for fibromuscular dysplasia (FMD)?

String of pearls

String of beads

200

What is the ultrasound sign for a pseudoaneurysm?

Ying Yang Sign

300

This type of waveform is rounded, low amplitude with a pronounced delay in the rise and end time of systole

Tardus Parvus Waveform

400

What type of waveform will be seen distal to a stenosis? (Post-stenotic)

Monophasic

500

During a carotid exam, you notice the patient's mid ICA PSV is measuring 198 cm/second, this would indicate what percentage/stenosis of disease?

Moderately Severe (49-80%)